The HR-02 is a Wired Wiring Center for Underfloor Water Heating System.  The HR-02 can be used to control any actuator or valve which requires a 230v AC signal. At the same time it offers the ability to operate a boiler through a volt free output. Up to 5 thermal actuators can be connected to each zone. Item No.: HR-02 Can work up to Max 8 room thermostats  Boiler and Pump connection  Convenient wiring and installation  DIN rail function With 1m EU/UK type Main cable  Terminals for wiring